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Finding the Fourth Proportional to 236.07, 324.86 and 229.59

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Solution

The fourth proportional to 236.07, 324.86 and 229.59 is: 315.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.07 : 324.86 = 229.59 : x
  2. Step 2: Convert to fraction form
    236.07/324.86 = 229.59/x
  3. Step 3: Cross multiply
    236.07x = 324.86 × 229.59
  4. Step 4: Simplify right side
    236.07x = 74,583.46
  5. Step 5: Solve for x
    x = 74,583.46/236.07
  6. Step 6: Final answer
    x = 315.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.